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using excel 3. One study shows 60% of CEOs in the U.S hold a master's degree or doctorate. A random sample of 400 CEOs are

using excel

3. One study shows 60% of CEOs in the U.S hold a master's degree or doctorate. A random sample of 400 CEOs are selected in U.S.

What type of distribution is used

What is the probability that less than 55% of them have a master's degree or doctorate?

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